This weekend (August 23-25) Guild Wars 2 is free to try!
Although there's no subscription fee, normally you have to purchase the game. Seems fair enough, right? Well, if you're on the fence about it, register an account, download the client and try it out this Friday, Saturday and Sunday.
Maia and I play GW2 a lot, so if any of you do decide to play for free this weekend, please respond in this thread. Unless, of course, you don't want to play alongside us (and that's okay!). If you do, however, we'll need to know so we can meet up.